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A brick is initially 14.80 cm high and an aluminum can is initially 14.81 cm high. By how much must their temperatures be raised in order for the brick and the can to have exactly the same height?
Shooter shoots a bullet horizontally and has muzzle velocity of 460m/s and goes 45.7m. How can you do this with the range equation
During a ballet performance a ballerina leaps into the air. If the dancer leaped at 90 degrees, what was the dancers initial speed
Two narrow slits 50 micrometers apart are illuminated with light of wavelength 500 nm . What is an angle of the m=2 bright fringe in radians? in degrees.
Besides the gravitational force, a 3.40-kg object is subjected to one other constant force. The object starts from rest and in 1.20 s experiences a displacement of (5.50 - 3.30) m, where the direction of is the upward vertical direction. find the ..
Four identical springs with k = 65.3kN/m support a car, Find the maximum weight for the car if the springs should be compressed no more than 3.9cm when the car is at rest
Calculate the impulse experienced when a 66 kg person lands on firm ground after jumping from a height of 2.8m. Estimate the average force exerted on the person's feet by the ground if the landing is with bent legs
q1. a spring with a spring constant of 2.0 times 102 nm is attached to a 1.7 kg mass and then set in motion. what is
A parallel plate capacitor has 2.5cm^2 plates that are separated by 2mm in a vacuum. calculate its capacitance and charge on each plate
Two identical 1.60kg masses are pressed against opposite ends of a spring of force constant 1.60N/cm, Find the maximum speed of each mass when it has moved free of the spring on a smooth, horizontal lab table
if you plot a best-fit line for data on a graph of position vs. time, what units does the lines (vertical) intercept have
A light platform is suspended from the ceiling by a spring. A student with a mass of 74 kg climbs onto the platform. At what time does the maximum speed occur
Find the speed of light in flint glass (refraction index 1.67). Use 2.99792x10^8 m/s for the speed of light. Find the speed in light in zircon
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